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QOJ

ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#54933	#2964. Loot Chest	Mostafa_Moharram	AC ✓	3ms	3928kb	C++17	550b	2022-10-11 17:48:05	2022-10-11 17:48:07

Judging History

你现在查看的是最新测评结果

[2023-08-10 23:21:45]
System Update: QOJ starts to keep a history of the judgings of all the submissions.

[2022-10-11 17:48:07]
评测

测评结果：AC
用时：3ms
内存：3928kb

查看

[2022-10-11 17:48:05]
提交

answer

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ld = long double;

int d_l, d_w, g, l;

ld dp[101];

int main() {
    ios::sync_with_stdio(false); cout.tie(nullptr); cin.tie(nullptr);
    cout << fixed << setprecision(12);
    cin >> d_l >> d_w >> g >> l;
    dp[100] = 100.0l / (100 - l);
    for (int p = 99; p >= 0; --p) {
        dp[p] = 1 + l * dp[min(p + d_l, 100)] / 100.0l + (100 - l) * (100 - p) * dp[min(p + d_w, 100)] / 100.0l / 100.0l;
    }
    cout << dp[0] * 100.0l / g;
    return 0;
}

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 3ms

memory: 3928kb

input:

1 100 50 0

output:

4.000000000000

result:

ok found '4.0000000', expected '4.0000000', error '0.0000000'

Test #2:

score: 0

Accepted

time: 2ms

memory: 3712kb

input:

50 50 100 25

output:

2.833333333333

result:

ok found '2.8333333', expected '2.8333333', error '0.0000000'

Test #3:

score: 0

Accepted

time: 2ms

memory: 3644kb

input:

1 100 10 0

output:

20.000000000000

result:

ok found '20.0000000', expected '20.0000000', error '0.0000000'

Test #4:

score: 0

Accepted

time: 2ms

memory: 3708kb

input:

2 3 10 80

output:

197.005706719956

result:

ok found '197.0057067', expected '197.0057067', error '0.0000000'

Test #5:

score: 0

Accepted

time: 0ms

memory: 3696kb

input:

1 1 100 0

output:

13.209960630216

result:

ok found '13.2099606', expected '13.2099606', error '0.0000000'

Test #6:

score: 0

Accepted

time: 2ms

memory: 3884kb

input:

1 100 100 0

output:

2.000000000000

result:

ok found '2.0000000', expected '2.0000000', error '0.0000000'

Test #7:

score: 0

Accepted

time: 0ms

memory: 3760kb

input:

1 1 1 0

output:

1320.996063021598

result:

ok found '1320.9960630', expected '1320.9960630', error '0.0000000'

Test #8:

score: 0

Accepted

time: 1ms

memory: 3716kb

input:

1 2 1 99

output:

14648.653617578840

result:

ok found '14648.6536176', expected '14648.6536176', error '0.0000000'

Test #9:

score: 0

Accepted

time: 0ms

memory: 3924kb

input:

100 100 1 1

output:

201.010101010101

result:

ok found '201.0101010', expected '201.0101010', error '0.0000000'

Test #10:

score: 0

Accepted

time: 1ms

memory: 3728kb

input:

1 3 1 49

output:

1326.893953584500

result:

ok found '1326.8939536', expected '1326.8939536', error '0.0000000'

Test #11:

score: 0

Accepted

time: 0ms

memory: 3696kb

input:

69 91 78 18

output:

3.011682301438

result:

ok found '3.0116823', expected '3.0116823', error '0.0000000'

Test #12:

score: 0

Accepted

time: 0ms

memory: 3720kb

input:

40 13 94 9

output:

4.338797656642

result:

ok found '4.3387977', expected '4.3387977', error '0.0000000'

Test #13:

score: 0

Accepted

time: 1ms

memory: 3852kb

input:

88 43 61 71

output:

7.713913183720

result:

ok found '7.7139132', expected '7.7139132', error '0.0000000'

Test #14:

score: 0

Accepted

time: 2ms

memory: 3716kb

input:

13 46 56 40

output:

6.790049790476

result:

ok found '6.7900498', expected '6.7900498', error '0.0000000'

Test #15:

score: 0

Accepted

time: 1ms

memory: 3708kb

input:

79 82 27 70

output:

16.793827160494

result:

ok found '16.7938272', expected '16.7938272', error '0.0000000'

Test #16:

score: 0

Accepted

time: 2ms

memory: 3732kb

input:

62 57 67 33

output:

4.337369124527

result:

ok found '4.3373691', expected '4.3373691', error '0.0000000'

Test #17:

score: 0

Accepted

time: 2ms

memory: 3648kb

input:

3 1 1 97

output:

4951.756246922660

result:

ok found '4951.7562469', expected '4951.7562469', error '0.0000000'

Test #18:

score: 0

Accepted

time: 2ms

memory: 3644kb

input:

1 2 54 50

output:

28.323919760216

result:

ok found '28.3239198', expected '28.3239198', error '0.0000000'

Test #19:

score: 0

Accepted

time: 0ms

memory: 3712kb

input:

2 3 6 1

output:

132.831285269190

result:

ok found '132.8312853', expected '132.8312853', error '0.0000000'

Test #20:

score: 0

Accepted

time: 2ms

memory: 3784kb

input:

2 3 34 2

output:

23.589985115351

result:

ok found '23.5899851', expected '23.5899851', error '0.0000000'

Test #21:

score: 0

Accepted

time: 2ms

memory: 3772kb

input:

66 63 52 38

output:

5.714429280397

result:

ok found '5.7144293', expected '5.7144293', error '0.0000000'

Test #22:

score: 0

Accepted

time: 1ms

memory: 3924kb

input:

62 46 75 27

output:

3.852912391598

result:

ok found '3.8529124', expected '3.8529124', error '0.0000000'

Test #23:

score: 0

Accepted

time: 2ms

memory: 3760kb

input:

65 18 37 17

output:

9.490843403208

result:

ok found '9.4908434', expected '9.4908434', error '0.0000000'

Test #24:

score: 0

Accepted

time: 0ms

memory: 3716kb

input:

97 13 80 32

output:

4.430480978076

result:

ok found '4.4304810', expected '4.4304810', error '0.0000000'